package com.base.starter.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @author zhou minghao
 * @date 2024/4/23
 * @description
 */
@EnableCaching
@Configuration
public class RedisConfig {

    @Bean
    public RedisTemplate<String, Object> template(RedisConnectionFactory factory) {
        // 创建RedisTemplate<String, Object>对象
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        // 配置连接工厂
        template.setConnectionFactory(factory);
        // 定义Jackson2JsonRedisSerializer序列化对象
        Jackson2JsonRedisSerializer<Object> jacksonSeial = new Jackson2JsonRedisSerializer<>(Object.class);
        ObjectMapper om = new ObjectMapper();
        // 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        // 指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String,Integer等会报异常
        om.activateDefaultTyping(
                LaissezFaireSubTypeValidator.instance ,
                ObjectMapper.DefaultTyping.NON_FINAL,
                JsonTypeInfo.As.WRAPPER_ARRAY);
        jacksonSeial.setObjectMapper(om);
        StringRedisSerializer stringSerial = new StringRedisSerializer();
        // redis key 序列化方式使用stringSerial
        template.setKeySerializer(stringSerial);
        // redis value 序列化方式使用jackson
        template.setValueSerializer(jacksonSeial);
        // redis hash key 序列化方式使用stringSerial
        template.setHashKeySerializer(stringSerial);
        // redis hash value 序列化方式使用jackson
        template.setHashValueSerializer(jacksonSeial);
        template.afterPropertiesSet();
        return template;
    }


    @Primary
    @Bean
    public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
        //缓存配置对象
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig();

        redisCacheConfiguration = redisCacheConfiguration
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(stringRedisSerializer()))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer()))
                .entryTtl(Duration.ofHours(24));

        ConcurrentHashMap<String,RedisCacheConfiguration> configMap = new ConcurrentHashMap<>();
        return RedisCacheManager
                .builder(RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory))
                .withInitialCacheConfigurations(configMap)
                .cacheDefaults(redisCacheConfiguration).build();
    }

    @Bean
    public StringRedisSerializer stringRedisSerializer() {
        return new StringRedisSerializer();
    }

    @Bean
    public Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer() {
        Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<>(Object.class);
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        objectMapper.activateDefaultTyping(
                LaissezFaireSubTypeValidator.instance ,
                ObjectMapper.DefaultTyping.NON_FINAL,
                JsonTypeInfo.As.PROPERTY);
        jackson2JsonRedisSerializer.setObjectMapper(objectMapper);
        return jackson2JsonRedisSerializer;
    }


}
